﻿public class HomeWork {
	String brand;
	
	public void playMusic(){
		System.out.println("正在播放：" + downloadMusic());
	}
	
	public String downloadMusic(){
		return "好汉歌";
	}
	
	public void chargeCell(){
		HomeWork cell = new HomeWork();
		cell.brand = "Anycall";
		cell.playMusic();
	}
	
	public static void main(String[] args) {
		HomeWork phone = new HomeWork();
		phone.chargeCell();

	}
}